.lunbo{
    width: 414px;
    height: 200px;
    background-color: pink;
}
ul{
    li{

    }
    .one{
        width: 150px;
        height: 150px;
        background:url('../../assets/imgs/index-card-rank.png') center / cover ;
        background-color: #1592cc;
    }
}